Daikô-gyô saikai! Kyôfu no tenkôsei Bleach : Season 6 Episode 1

It's back to high school and Hollow slaying for Ichigo Kurosaki, who is now officially recognized as a Substitute Soul Reaper by the Soul Society. On the day he returns to Karakura First High School, Ichigo meets an unusual new student named Shinji Hirako.